They have gone to Xi'an,___(have) they?

They have gone to Xi'an,___(have) they? they have gone to abroad 有to 么? They have gone to Beijing two years ago.(改错） 对括号部分提问:They have gone to (the library). 对括号部分提问：They have gone（to London）. they have gone to that mall many times since they moved here 为什么用 gone to ,不用been to They have gone to Shanghai by air.改为同义句They _____ _______to Shanghai. They aren't here now; they have gone to the _______(doctor). 为什么用doctor's? 英语翻译They are among the millions of farmers who have gone to the cities to work. They have already gone the Creat wall为什么使用gone而不用 gone to呢可是有的还加to 能不能举例子啊 They have gone to Beijing to see the Great Wall.(对画线部分提问)_____ _____ they ____ to Beijing? ——the farms have been to the US.___really?when there?a.did they go b.have they gone Where are Mr and Mrs Smith.--They ___ there twice before.A have been to ;have goneB have gone to ;have been C have been to ;have gone to D have gone to ;have been to理由!快速!Where are Mr and Mrs Smith.--They ____Italy.They ___ there twice before They have gone to the playground.(对 to the playground 进行提问） ___ ___ they ___? 他们去过海滩了 为什么用they went to the beach,而不同 they have gone to the beach. have gone to=be have gone to ＆ have been to 区别 where can(could) they have gone to?为什么没有be动词?——